149results about How to "Small and simple structure" patented technology

The present invention relates to an optical interferometric apparatus and method for measuring acceleration, pressure, and pressure of fluids during flow using micro-opto-electro-mechanical-systems (MOEMS). The high-sensitivity and high-resolution apparatus includes a movable mass, a stationary mass, a light source, and a photo detector. The light source emits a beam which is converted into two beam portions after impinging onto the movable and stationary masses. Interference between the beam portions are used to measure acceleration or pressure. The MOEMS structure may be integrated with a photo detector or planar waveguide. Differential amplification can be realized by employing two similar detecting structures.

An optical tactile sensor has a touch pad and a CCD camera for imaging behavior of the touch pad. A CPU processes image information from the CCD camera, extracts information on the size, shape, and center of gravity of a contact region, and extracts information on the size of a fixation region. The CPU obtains a normal force from the size of the contact region, obtains a tangential force from the shape of the contact region and the center of gravity of the contact region, and obtains a friction coefficient from the ratio of the size of the fixation region to the size of the contact region.

Provided is an abnormality detecting device for detecting an abnormality of electric storage devices such as a battery pack. Comparators (140-1) to (140-n) detect a time when a voltage reaches a prescribed voltage, for each block of a battery pack (100). A judging section (160) detects a current at a time when the voltage reaches the prescribed voltage, and a representative current value is calculated for each block. The deviation of the representative current value of each block is compared with the threshold value, and when the deviation is large, it is judged that there are abnormalities such as short-circuiting, minute short-circuiting, IR (internal resistance) increase, capacitance reduction, and the like.

A drive device of a vehicle includes a motor generator, a lubricant circulating mechanism lubricating and cooling the motor generator, a power control unit controlling the motor generator, arranged on a circulation path of a lubricating oil and being in contact with the lubricating oil for transferring and receiving a heat to and from the lubricating oil, and a casing accommodating the motor generator, the lubricating mechanism and the power control mechanism, and provided with the circulation path. Preferably, the power control unit includes a power control element and a board (120) having a first main surface on which the power control element is mounted. The board (120) is provided on its second main surface side with a radiator fin (390, 392 and 394) for contact with the lubricating oil in the circulation path.

A drive device of a vehicle includes a motor generator, a lubricant circulating mechanism lubricating and cooling the motor generator, a power control unit controlling the motor generator, arranged on a circulation path of a lubricating oil and being in contact with the lubricating oil for transferring and receiving a heat to and from the lubricating oil, and a casing accommodating the motor generator, the lubricating mechanism and the power control mechanism, and provided with the circulation path. Preferably, the power control unit includes a power control element and a board (120) having a first main surface on which the power control element is mounted. The board (120) is provided on its second main surface side with a radiator fin (390, 392 and 394) for contact with the lubricating oil in the circulation path.

A laser distance measuring apparatus, for measuring the distance between objects existing in two directions at least as seen from the apparatus by using laser light, comprises two projectors for projecting laser beams along a specified projection axis toward each one of the objects, a photo detector for receiving reflected light of projection from each object, a distance measurement processor for measuring the distance from a reference point of the apparatus to each object on the basis of the reception signal to the projection by the photo detector, and a distance calculation processor for calculating the distance between the objects on the basis of the distance data measured by the distance measurement processor and the angle formed by two projection axes, in which the projection axis by one projector is variable in angle with respect to the other projector. Therefore, the distance between objects can be measured easily and at high precision by one distance measuring operation only.

An optical tactile sensor has a touch pad and a CCD camera for imaging behavior of the touch pad. A CPU processes image information from the CCD camera, extracts information on the size, shape, and center of gravity of a contact region, and extracts information on the size of a fixation region. The CPU obtains a normal force from the size of the contact region, obtains a tangential force from the shape of the contact region and the center of gravity of the contact region, and obtains a friction coefficient from the ratio of the size of the fixation region to the size of the contact region.

Disclosed is a small-sized two-axis magnetic field sensor having a function to cause a magnetic field canceling an external offset magnetic field. The two-axis magnetic field sensor contains a plane coil disposed on a plane and four sets of magneto-resistance element pairs on a plane parallel to the plane coil. The plane coil includes at least two pairs of parallel conductors, and two magneto-resistance elements cross only a single conductor of the coil. A current for canceling the external offset magnetic field is determined in advance, and while a DC current that causes total magnetic fields of biasing magnetic fields plus a magnetic field for canceling the external offset magnetic field flows through the coil, intermediate potential outputs from the magneto-resistance element pairs are detected to measure a magnetic field direction, such as geo-magnetism.

An image-coding format converting apparatus comprising an EMPEG2 image decoder 30, a resolution / frame rate converter 31, a motion vector converter 32, and an MPEG4 encoder 33. The EMPEG2 decoder 30 decodes a bit stream of EMPEG2 image codes, generating an image signal. The resolution / frame rate converter 31 converts the image signal. The MPEG4 encoder 33 encodes the output of the resolution / frame rate converter 31, generating a bit stream of MPEG4 image codes. In the resolution / frame rate converter 31, pixels are added or extracted in accordance with the start position of a macro block, thus adjusting the input image signal to one than can easily be encoded to MPEG4 image codes. The motion vector converter 32 generates an MPEG4 motion vector from parameters such as an MPEG2 motion vector. The MPEG4 encoder 33 uses the MPEG4 motion vector to encode the output of the resolution / frame rate converter 31.

An optical absolute rotary encoder can have a simple and small structure, for determining the absolute values of rotational positions with high accuracy. The encoder can include an optical scale having an absolute pattern representing a code corresponding to a single absolute value using a transmitting area and / or an intercepting area. A light emitting unit can be arranged at one side with respect to the optical scale, and configured to project light on the optical scale. A light receiving unit can be arranged at the same side as the light emitting unit, can configured to receive light passing through the transmitting area of the optical scale. A light guide unit can be provided and configured to guide the light from the light emitting unit to the light receiving unit. The optical scale and the light emitting unit can rotate relative to each other about an axis of rotation, and the light receiving unit can be disposed on the axis of rotation.

An apparatus and method of printing patterns, an ornamental design or a picture on a printing object using a heat transfer or sublimation transfer technology are provided. In the non-contact type direct dye-sublimation printing method, and agent treatment layer is formed in a printing object, and solid sublimation dye is carried in the agent treatment layer by spraying liquid sublimation dye on the agent treatment layer to allow a transfer image to be infiltrated into the agent treatment layer and hardening the liquid sublimation dye infiltrated into the agent treatment layer. The transfer image is printed on the printing object by sublimating the dye carried on the agent treatment layer and infiltrating the sublimated dye into enlarged pores of a texture of the printing object by heating the printing object. The non-contact type direct dye-sublimation printing apparatus can be manufactured in a simple structure and a small size by omitting a pressing plate, a thermostat and other relating parts that are required in a process for depressing an intermediate transfer medium, thereby reducing the facility costs and the initial investing costs and to provide a printing method using such a printing apparatus.

A rotary press has a paper web supply apparatus, a printing apparatus, and a post-printing processing apparatus. The rotary press further includes at least one heating roller provided in a path along which a paper web carrying printed images runs from the printing apparatus to the post-printing processing apparatus, as well as at least one cooling roller provided downstream from the heating roller. The heating roller and the cooling roller are disposed such that the running paper web contacts each of the rollers over at least one-fourth of the circumference thereof. The heating roller is rotated at a circumferential speed different from a running speed of the paper web. The heating roller is a cylindrical body equipped with a built-in coil to which alternating current is supplied. The heating roller has cavities which are formed in a mutually communicating manner in the wall thereof and are filled with a thermal medium, and the outer surface of the heating roller is roughened. The rotary press can decrease installation space, the degree of complexity, manufacturing cost, and running cost of the drying apparatus.

An optical information reading apparatus for reading information codes such as a bar code and a two-dimensional code includes, an image-forming lens fixed at a given point and imaging a reflection light from the information code, an optical sensor locating at a position relative to that of the image-forming lens and receiving an image formed by the image-forming lens, a light path bending unit bending the reflection light between the image-forming lens and the optical sensor a plurality of times, a shifter shifting the light path bending unit, a distance measurement unit measuring the distance from the information code to the reading apparatus and a controller controlling the shifter based on the measurement result of the distance measurement unit. The light path length between the image-forming lens and the optical sensor is changed by shifting the light path bending unit using the shifter.

An optical apparatus used for a 3D image pickup apparatus for taking two subject images having a disparity by using two lens apparatuses, each of which is directly connectable to an image pickup apparatus, and one image pickup apparatus, the optical apparatus including: a first attaching unit for detachably attaching a first lens apparatus; a second attaching unit for detachably attaching a second lens apparatus; a camera attaching unit for detachably attaching the image pickup apparatus, the image pickup apparatus including an image pickup portion; and a switch unit for alternately switching light rays from the first and second lens apparatuses to guide the light ray to the image pickup apparatus in a state that the first and second lens apparatuses and the image pickup apparatus are connected to the optical apparatus. Intermediate images are formed in the optical apparatus by the first and second lens apparatuses.

A connecting rod style lock assembly for fingerprint safekeeping box comprises a bracket, a lock with lock cam pivot, a biasing means is connected with the lock cam for turning the lock cam to open position, a lock bar is embed in the lock groove to make the lock cam without turn, a lock buckle is fixed on the door of a safekeeping box, an actuator device includes a crankshaft and a connecting rod, one end of the lock bar is connected with the connecting rod in rotary connection. When closing door the lock buckle pushes the lock cam turn to lock the door, when opening door, the motor drives the crankshaft turn to pull the connecting rod pulling the lock bar out off the lock groove of the lock cam, then the biasing means forces the lock cam turn to unlock the door. The assembly is simple and small, the effective inner space of the Safekeeping Box is increased, the cost for the product is reduced greatly, and the assembly can be formed a complete set with all kind of fingerprint locks.

An oil separator has a container main body and an flow channel. A partition wall member faces the opening of the flow channel and extends along a wall of the container main body. An upper end member seals the space between the upper end of the partition wall member and the container main body. A side end member seals a space between one side end of the partition wall member and the wall of the container main body. A gap between the partition wall member and the wall of the container main body is narrower than an inner diameter of the flow channel and is largest at an open side end. An outer circumference of the partition wall member is longer than half of the inner diameter of the flow channel and shorter than half of the circumferential length of the inner wall of the container main body.

An image stabilizer includes a guide device which guides an image-stabilizing optical element in a guide direction orthogonal to an optical axis and an image shake counteracting driving device which moves the image-stabilizing optical element so as to counteract image shake, including a first moving element moved by a drive source; a second moving element movable relative to the first moving element, and applies a moving force to a holder holding the image-stabilizing optical element when the second moving element is moved by the first moving element; and a moving-element control mechanism which resiliently connects the first and second moving elements to each other to allow the first and second moving elements to selectively move integrally and relative to each other in accordance with a magnitude of a resistance to a movement between the drive source and the holder.

A linear drive portion is fixed to a piston. A nut portion and a screw portion relatively rotate, and a direction of action of driving force is converted between a rotational direction and a linear direction. The piston is installed within a case. The inner circumference of a piston sliding portion fixed within the case slidably supports the outer circumference of the piston. The nut portion is displaced with the piston, and the screw portion rotates in conjunction with a rotational drive portion. The piston is installed so as to be able to slide in the axial direction of the case with respect to the piston sliding portion. The axis of the piston and the central position of the inner circumference of the piston sliding portion are set to be eccentric with respect to the axis of the screw portion and the nut portion.

The invention relates to a rotary damper having a displacer device, said displacer device comprising a damper shaft (3) and displacer components (4, 5) engaging into one another, wherein a rotationalmovement of the damper shaft (3) can be damped. The displacer device contains a magnetorheological fluid as a working fluid. A magnetic field (10) of a magnetic field source having an electric coil (9) can be controlled by means of an associated control device. An end-side axial gap (25) is formed between the housing and the displacer device. An essential part of the magnetic field (10) of the magnetic field source passes through the axial gap (25) between the housing and the displacer components (4, 5). The magnetorheological fluid can be influenced by the magnetic field (10) in order to adjust a damping of the rotational movement of the damper shaft (3). The magnetic field (10) also causes a seal of the end-side axial gap (25).

A cylindrical piezoelectric element is arranged to share an axis with a cylindrical vibrator having different diameters at central and end portions to fix the vibrator forming a gap at the central portion. Vibration voltages are applied across first electrodes on the piezoelectric element and the vibrator, namely, a second electrode, to vibrate the vibrator and bring a wave front of a traveling wave into contact with a tubular member, i.e., a supporting member fitted to the vibrator. Friction at a contact portion of the vibrator moves a mover including the vibrator and the piezoelectric element in an axial direction of the tubular member. By amplifying the vibration amplitude using the vibrator provided separately from the piezoelectric element, a small actuator capable of performing high-speed driving is realized.

Disclosed is a highly responsive and high power electromagnetically actuated flow control valve of compact and simple construction, and a high pressure fuel supply pump equipped with same. The valve is comprised of: a flange part forming a suction surface on an anchor; a first circumferential part with a diameter smaller than that of the flange part; a cylindrical non-magnetic region surrounding and facing an outer surface of the flange part and a third opening; and a first fluid gathering part constructed so as to communicate with a back pressure chamber via the third opening. According to this construction, if the diameter of the flange part is expanded so as to expand the cross-section of the suction surface, the amount of fuel pushing the anchor aside increases accordingly, but as part of the fuel is absorbed by the first fluid gathering part the amount of fuel passing through the fuel passage is not increased compared to before the diameter of the flange was expanded. Thus, as the cross-section of the suction surface can be expanded without expanding the fuel passage, there is no increase in magnetic resistance arising from the fuel passage and suction force is increased effectively.

An image stabilizer includes a guide device which guides an image-stabilizing optical element in a direction orthogonal to an optical axis and an image shake counteracting driving device, the image shake counteracting driving device including a drive source; a first moving element; a second moving element capable of transferring a moving force of the first moving element to a holder which holds the image-stabilizing optical element; and a mutual guiding device which couples the first and second moving elements to allow the first and second moving elements to move relative to each other in the guide direction. The mutual guiding device includes two first slidable portions provided at two different positions in a direction orthogonal to the guide direction, respectively; and one second slidable portion provided at a position different from the positions of the two first slidable portions in the guide direction.

An optical absolute rotary encoder can have a simple and small structure, for determining the absolute values of rotational positions with high accuracy. The encoder can include an optical scale having an absolute pattern representing a code corresponding to a single absolute value using a transmitting area and / or an intercepting area. A light emitting unit can be arranged at one side with respect to the optical scale, and configured to project light on the optical scale. A light receiving unit can be arranged at the same side as the light emitting unit, can configured to receive light passing through the transmitting area of the optical scale. A light guide unit can be provided and configured to guide the light from the light emitting unit to the light receiving unit. The optical scale and the light emitting unit can rotate relative to each other about an axis of rotation, and the light receiving unit can be disposed on the axis of rotation.

The present invention relates to an absolute type capacitor angle displacement measurement sensor. The sensor comprises a sensitive structure, a signal modem circuit and an error compensation and fusion module; the sensitive structure comprises a first stator, a rotor and a second stator which are vertically arranged in parallel; the outer side of the top of the first stator is provided with an accurate measurement collection electrode, and the inner side of the top of the first stator is provided with an accurate measurement exciting electrode; the outer side of the bottom of the rotor is provided with an accurate measurement sensitive electrode, the inner side of the bottom of the rotor is provided with an accurate measurement coupling electrode, the outer side of the top of the rotor is provided with a rough measurement sensitive electrode, the inner side of the top of the rotor is provided with a rough measurement coupling electrode, and the accurate measurement and rough measurement sensitive electrodes and the accurate measurement and rough measurement coupling electrodes are equipotential bodies; the outer side of the bottom of the second stator is provided with a rough measurement collection electrode, and the inner side of the bottom of the second stator is provided with a rough measurement exciting electrode; the signal modem circuit is configured to measure the accurate measurement angle displacement and the rough measurement angle displacement; and the error compensation and fusion module is configured to perform error compensation to calculate the absolute angle displacement. The absolute type capacitor angle displacement measurement sensor is widely applied to angle displacement measurement sensors.

A processing apparatus for subject of the present invention uses a high voltage electrode and a ground electrode, and generates plasma under atmospheric pressure in a reaction passage through which a to-be-processed subject passes. For example, even fluorocompound such as PFC including CF4 can effectively be decomposed because the fluorocompound is brought into contact with plasma in a small space for sufficient time, and the apparatus has a small and simple structure. Therefore, the apparatus can be added to each process chamber.

An electromechanical actuator is provided whose structure is simplified and made small, and with which an output portion can be driven even if a jammed state occurs in a screw mechanism. An electromechanical actuator is configured that includes an electric motor having a first rotor portion and a second rotor portion capable of relative rotation with respect to each other, and a jam relief mechanism having a first conversion portion having a first screw mechanism capable of converting rotational force of the first rotor portion into thrust force and moving an output portion back and forth, a sliding support mechanism which can transmit the rotational force of the first rotor portion to the first conversion portion, and a second conversion portion having a second screw mechanism which moves the output portion back and forth together with the first conversion portion.

The present invention provides tools for mounting screw, which has simple and small structure, can install screw at linking holes easily, and process a joint operation between screw and helical burr easily. The directing part of the main mounting tools of the tool for mounting screw includes a throw-in part for throw-in a screw and export lateral part for exhausting screw. A concave directing groove is on the bottom along the continuous bottom surface from the throw-in part to export of the directing part. Export lateral of the directing part takes the shape of sectional annularity and having top surface, the top height at the export vicinity is minimum. Width from left side wall to right side wall of the directing part is bigger than full length of the screw at upflow side end, being minimum at export vicinity, which is smaller than full length of the screw, and is bigger than the maximal external shape of the screw head section.

A servo writing device which writes servo data in each sector of each track of a magnetic disk, wherein servo data recorded positions of the tracks are mutually corresponded. The servo writing device includes a clock head for generating reference clock signals and a standard clock generating circuit generating standard clock signals, whose frequency is higher than that of the reference clock signals and which is not synchronized with the reference clock signals. The device further includes a start pulse generating circuit receiving the reference clock signals as clock signals and generating a start pulse corresponding to the servo data recorded position and a synchronizing circuit synchronizing the start pulse with the standard clock signals and generating a synchronizing-start pulse. In addition, the device also includes a pattern generating circuit receiving the standard clock signals as clock signals and generating the servo data synchronizing with the synchronizing-start pulse.

The invention discloses a thermoelectric heat regeneration system. The thermoelectric heat regeneration system comprises a refrigerating unit and a thermoelectric heat regeneration unit. The refrigerating unit comprises a compressor, an air cooling type condenser, a throttling valve, an air cooling type evaporator and circulating pipelines. The thermoelectric heat regeneration unit comprises a thermoelectric pile, heat exchangers and a bypass branch circuit controller; the hot end and the cold end of the thermoelectric pile are connected with the hot end heat exchanger and the cold end heat exchanger correspondingly; the hot end heat exchanger is connected with the circulating pipeline coming out of the evaporator, heats steam coming out of the evaporator and improves the overheating degree of a refrigerant; the cold end heat exchanger is connected with the circulating pipeline coming out of the condenser, cools liquid coming out of the condenser and improves the overcooling degree of the refrigerant; and the bypass branch circuit controller can control the flow rate of the refrigerant passing through the heat exchangers and widens the heat exchange range. Compared with a traditional heat regenerator, the thermoelectric heat regeneration system can accurately adjust and control the overcooling degree and the overheating degree of the refrigerant and has the beneficial effects of being small in size, simple in structure, easy to install, convenient to control, free of noise and environment-friendly.